{"id":"W4416780866","doi":"10.1111/php.70044","title":"Direct evidence of singlet molecular oxygen [O <sub>2</sub> ( <scp> <sup>1</sup> Δg </scp> )] production from <scp>UVA</scp> excited 6‐thioguanine","year":2025,"lang":"en","type":"article","venue":"Photochemistry and Photobiology","topic":"Photodynamic Therapy Research Studies","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke","funders":"Conselho Nacional de Desenvolvimento Científico e Tecnológico; Pro-Reitoria de Pesquisa, Universidade de São Paulo; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Fundação de Amparo à Pesquisa do Estado de São Paulo; John Simon Guggenheim Memorial Foundation","keywords":"Photoexcitation; Absorbance; Quantum yield; Singlet oxygen; Quenching (fluorescence); Excited state; Guanine; Yield (engineering)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006981945,0.0005875842,0.001188447,0.0002429306,0.0002098091,0.00003175913,0.0003477548,0.0005053955,0.00003340719],"category_scores_gemma":[0.006181478,0.0005457383,0.000253411,0.0007948832,0.0008731516,0.0001212103,0.0003566275,0.000729043,0.00001053086],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001638109,"about_ca_system_score_gemma":0.0003137165,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002266755,"about_ca_topic_score_gemma":0.00001203255,"domain_scores_codex":[0.9965111,0.0002787538,0.000760137,0.001262673,0.0003652727,0.0008220887],"domain_scores_gemma":[0.9961489,0.001833924,0.0003106581,0.0009706545,0.0004717605,0.0002640961],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002730266,0.0003105895,0.002232385,0.0008102339,0.0009333215,0.00009142599,0.0009606793,0.00003807291,0.990467,0.000006801175,0.003309643,0.0005668195],"study_design_scores_gemma":[0.001484899,0.0004363609,0.002576639,0.001125207,0.0002751795,0.0001104894,0.000783234,0.0004392205,0.989143,0.0004529902,0.003063215,0.0001095713],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9837908,0.01155937,0.00006458798,0.000246614,0.0001584435,0.001574859,0.0001940497,0.0001699383,0.002241301],"genre_scores_gemma":[0.9933805,0.003920257,0.0001456127,0.0004696074,0.000211097,0.0004577791,0.0003028775,0.00004908248,0.001063214],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009589634,"threshold_uncertainty_score":0.9996994,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01468590841426987,"score_gpt":0.2804286572327281,"score_spread":0.2657427488184582,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}